Inputting Expressions And Values; Basic Input Rules - Casio fx-991ZA PLUS II User Manual

Inputting Expressions and
Values

Basic Input Rules

Calculations can be input in the same form as they are written. When you
press the priority sequence of the input calculation will be evaluated
automatically and the result will appear on the display.
Example 1: 4 × sin30 × (30 + 10 × 3) = 120
*1 Input of the closing parenthesis is required for sin, sinh, and other
functions that include parentheses.
*2 These multiplication symbols (×) can be omitted. A multiplication
symbol can be omitted when it occurs immediately before an opening
parenthesis, immediately before sin or other function that includes
parentheses, immediately before the Ran# (random number) function,
or immediately before a variable (A, B, C, D, E, F, M, X, Y), scientific
constants, π or e.
*3 The closing parenthesis immediately before the
omitted.
Example 2: Input example omitting
above example.
4
Note
• If the calculation becomes longer than the screen width during input, the screen will
scroll automatically to the right and the
this happens, you can scroll back to the left by using
• When Linear Display is selected, pressing
beginning of the calculation, while
2
* and
30 30 10
indicator will appear on the display. When
will cause the cursor to jump to the
will jump to the end.
16
operation can be
3
* operations in the
3
and to move the cursor.